When one finds an old beer in their car trunk and drinks it. Preferably 6 months old or greater to be considered a trunk lite.
by Must Stank November 29, 2017

A few newbies were planning on surfing but saw that the waves were massive. A passerby on the beach came by and asking if they were going to surf, then a "friend" of the newbie surfers said "these two caked their trunks the second they saw the waves."
by chrispbaconass September 5, 2023

Man 1: Man my dude my balls are sore.
Man 2:Why?
Man 1: Cause I was fucking a chick in the ass and I then my balls slipped in.
Man 2: A JUNK TRUNK?! MY MAN! YOU JUNK TRUNKING SON OF A BITCH!!
Man 2:Why?
Man 1: Cause I was fucking a chick in the ass and I then my balls slipped in.
Man 2: A JUNK TRUNK?! MY MAN! YOU JUNK TRUNKING SON OF A BITCH!!
by Painfullee September 5, 2018

the thing you get when you leave unpasteurized Apple juice in the trunk of your car for several days in hot weather
I am so upset. That trunk cider I made last week left a huge mess in my car. The upholstery is ruined.
by Monkey484&4’didiekr October 10, 2018

by .idk_ October 28, 2020

by Dr.j May 9, 2006

by the dafiner October 26, 2015
